US PATENT SUBCLASS 219 / 639
.~.~.~ Irregular (e.g., camshaft, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


219 /   HD   ELECTRIC HEATING

600  DF  INDUCTIVE HEATING {7}
635  DF  .~ Specific heating application {8}
637  DF  .~.~ Rod {2}
639.~.~.~ Irregular (e.g., camshaft, etc.)

DEFINITION

Classification: 219/639

Irregular (e.g., camshaft, etc.):

(under subclass 637) Subject matter wherein the rod is nonsymmetrical about its cross-sectional area.